Lunch bag



FIG. 1 is a front perspective view of the lunch bag showing my new design.

FIG. 2 is a front view of the lunch bag.

FIG. 3 is a rear view of the lunch bag.

FIG. 4 is a left side view of the lunch bag.

FIG. 5 is a right side view of the lunch bag.

FIG. 6 is a top view of the lunch bag; and,

FIG. 7 is a bottom view of the lunch bag.

Any shading and cross-hatching are not features of the design but are utilized to illustrate the surface contours of the lunch bag design in the drawings. 

CLAIM The ornamental design for a lunch bag, as shown and described. 